205332142 has 8 divisors (see below), whose sum is σ = 312336432. Its totient is φ = 101220000.

The previous prime is 205332133. The next prime is 205332157. The reversal of 205332142 is 241233502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×205332142² = 84322577076616328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722859 + ... + 723142.

It is an arithmetic number, because the mean of its divisors is an integer number (39042054).

Almost surely, 2^205332142 is an apocalyptic number.

205332142 is a deficient number, since it is larger than the sum of its proper divisors (107004290).

205332142 is a wasteful number, since it uses less digits than its factorization.

205332142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446074.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 205332142 is about 14329.4152706941. The cubic root of 205332142 is about 589.9551263391.

Adding to 205332142 its reverse (241233502), we get a palindrome (446565644).

The spelling of 205332142 in words is "two hundred five million, three hundred thirty-two thousand, one hundred forty-two".